Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 336 J 4.2 J 2268 J 80 J 336 J 4.2 J 2268 J 80 J ANSWER DOWNLOAD EXAMIANS APP
Physics Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open at sea level at the top of Mt. Everest in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at a place in a valley below sea level at sea level at the top of Mt. Everest in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level at a place in a valley below sea level ANSWER DOWNLOAD EXAMIANS APP
Physics At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of Avogadro's Law Gay-Lussac's Law Charle's Law Boyle's Law Avogadro's Law Gay-Lussac's Law Charle's Law Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light It uses more powerful lenses The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver) The gold piece will weigh more Both silver and gold pieces weigh equal Weighing will depend on their masses The silver piece will weigh more The gold piece will weigh more Both silver and gold pieces weigh equal Weighing will depend on their masses The silver piece will weigh more ANSWER DOWNLOAD EXAMIANS APP